59 lines
1.2 KiB
Go
59 lines
1.2 KiB
Go
package pam_test
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import (
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"bufio"
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"errors"
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"fmt"
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"os"
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"golang.org/x/term"
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)
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// This example uses the default PAM service to authenticate any users. This
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// should cause PAM to ask its conversation handler for a username and password
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// in sequence.
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func Example() {
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t, err := pam.StartFunc("passwd", "", func(s pam.Style, msg string) (string, error) {
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switch s {
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case pam.PromptEchoOff:
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fmt.Print(msg)
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pw, err := term.ReadPassword(int(os.Stdin.Fd()))
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if err != nil {
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return "", err
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}
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fmt.Println()
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return string(pw), nil
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case pam.PromptEchoOn:
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fmt.Print(msg)
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s := bufio.NewScanner(os.Stdin)
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s.Scan()
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return s.Text(), nil
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case pam.ErrorMsg:
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fmt.Fprintf(os.Stderr, "%s\n", msg)
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return "", nil
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case pam.TextInfo:
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fmt.Println(msg)
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return "", nil
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default:
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return "", errors.New("unrecognized message style")
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}
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})
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if err != nil {
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fmt.Fprintf(os.Stderr, "start: %v\n", err)
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os.Exit(1)
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}
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defer func() {
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err := t.End()
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if err != nil {
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fmt.Fprintf(os.Stderr, "end: %v\n", err)
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os.Exit(1)
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}
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}()
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err = t.Authenticate(0)
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if err != nil {
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fmt.Fprintf(os.Stderr, "authenticate: %v\n", err)
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os.Exit(1)
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}
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fmt.Println("authentication succeeded!")
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}
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